EP3306376B1 - 2d/3d switchable display panel, and display method and display device therefor - Google Patents
2d/3d switchable display panel, and display method and display device therefor Download PDFInfo
- Publication number
- EP3306376B1 EP3306376B1 EP15893065.1A EP15893065A EP3306376B1 EP 3306376 B1 EP3306376 B1 EP 3306376B1 EP 15893065 A EP15893065 A EP 15893065A EP 3306376 B1 EP3306376 B1 EP 3306376B1
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- EP
- European Patent Office
- Prior art keywords
- display
- display panel
- panel
- switchable
- lcd panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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Definitions
- Embodiments of the present application relate to the technical field of display technology, and in particular, to a two dimensional (2D) /three dimensional (3D) switchable display panel, and a display method and a display device thereof
- optical barrier type 3D technology which is also known as parallax barrier technology.
- An optical barrier type 3D product is compatible with processes of existing LCD (Liquid Crystal Display) panel, i.e., which is achieved by further modifying an existing LCD panel as a liquid crystal grating, to be specific, by forming stripe-shaped electrode strips on both upper and lower substrates of the LCD panel, with a working principle being in that, upon implementing 3D display, the liquid crystal grating is electrified; and since liquid crystal molecules between the stripe-shaped electrode strips on the upper and lower substrates are twisted, then light is inhibited from passing therethrough completely, such that light and shade staggered strips which are arranged alternately are formed by the liquid crystal grating. Then, when left-eye images and right-eye images displayed are observed by respective left and right eyes of the viewer, respectively, stereoscopic 3D images are formed by the brain of the viewer.
- LCD Liquid Crystal Display
- a backlight source module should be provided to the LCD panel therein, resulting in larger thickness thereof.
- some previous LCD panels are replaced by alternative novel OLED (Organic Light Emitting Diode) display panels in each of which the OLED display panel is combined and cooperating with a grating so as to implement an optical barrier type 3D product with smaller thickness.
- OLED Organic Light Emitting Diode
- 2D display effect thus created is still not good enough due to the fact that the image sampling rate by PPI (Pixels Per Inch) of the OLED display panel is lower than that of the LCD panel when the optical barrier type 3D product is operated in a 2D/3D display mode.
- US 2010/079584 discloses a 2D/3D switchable autostereoscopic display apparatus and method to selectively display a 2D image and a 3D image using two displays and a convertible lens.
- the present application has been made to provide a two dimensional (2D) /three dimensional (3D) switchable display panel, and a display method and a display device thereof, so as to solve the problem that a poor display effect is caused when the 2D/3D switchable display panel is operated in a 2D display mode.
- a 2D/3D switchable display panel comprising an OLED display panel which is self-luminescent, and a LCD panel which is provided with no color resist layer and disposed on a display side of the OLED display panel, wherein the OLED display panel is configured to display an image when the 2D/3D switchable display panel operates in a 3D display mode, and to act as a backlight source module when the 2D/3D switchable display panel operates in a 2D display mode; and the LCD display panel is configured to act as a grating when the 2D/3D switchable display panel operates in the 3D display mode, and to display an image when the 2D/3D switchable display panel operates in the 2D display mode.
- an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color resist layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- the LCD panel comprises an array substrate, a second substrate, and a liquid crystal layer provided between the second substrate and the array substrate, the second substrate and the array substrate and the liquid crystal layer being disposed to be cell aligned; and the array substrate is provided with a pixel unit array for displaying images.
- the array substrate of the LCD panel is provided with a lower polarizer sheet at a side thereof facing away from the liquid crystal layer; and the second substrate of the LCD panel is provided with an upper polarizer sheet at a side thereof facing away from the liquid crystal layer.
- the LCD panel functions not only as a grating but also as a display main body for 2D display.
- the LCD panel further comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate.
- micro lenticular lens 3D display may be implemented by the lenticular lens layer, while the LCD panel operates as a display main body for 2D display.
- an area of a region corresponding to each pixel on the OLED display panel is not only larger than but also an integral multiple of an area of a region corresponding to each pixel on the LCD panel.
- a highest refresh rate of the OLED display panel is at least three times of a lowest refresh rate of the LCD panel.
- the OLED display panel comprises a display substrate and a packaging cover plate; and an adhesive portion is interposed between the LCD panel and the OLED display panel, and the array substrate of the LCD panel is adhered to the cover plate by the adhesive portion.
- the OLED display panel only comprises a display substrate and a display component arranged on the display substrate, the display substrate defining a display zone around which an adhesive portion is provided at a periphery of the display substrate of the OLED display panel; and the array substrate of the LCD panel is adhered to the display substrate of the OLED display panel by means of the adhesive portion.
- the OLED display panel only comprises a display substrate such that the light emission of the OLED component on the display substrate is closer to the LCD panel, i.e., with a smaller distance therebetween, in other words, smaller placement height, which contributes to implementing 3D image display with higher PPI and decreasing the thickness of the 2D/3D switchable display panel.
- a 2D/3D switchable display device comprising the aforementioned 2D/3D switchable display panel.
- a superior beneficial technical effect is provided in that an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color filter layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- a display method for the aforementioned 2D/3D switchable display panel comprising steps of: operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating; and the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel to display an image thereon and configuring the OLED display panel to act as a backlight source module.
- the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating comprises steps of: configuring the OLED display panel to display an image thereon; and configuring the LCD panel to display in a grating displaying mode and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel through the LCD panel such that the 2D/3D switchable display panel is operated in the 3D display mode.
- the LCD panel comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate, and the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating comprises steps of: configuring the OLED display panel to display an image thereon; and configuring the LCD panel to cooperate with the lenticular lens layer to display and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel through both of the LCD panel and the lenticular lens layer such that the 2D/3D switchable display panel is operated in the 3D display mode.
- the step of operating the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel to display an image thereon and configuring the OLED display panel to act as a backlight source module comprises steps of: setting a refresh rate of the OLED display panel to be at least three times of a refresh rate of the LCD panel, and emitting, by the OLED display panel, R, G, B color lights that are used as backlight for the LCD panel in different time periods respectively within a display duration of a frame of image, an emission duration for each of the R, G, B color lights corresponding to a refreshment duration of the LCD panel; and adjusting deflection angles of all portions of the liquid crystal layer of the LCD display panel corresponding to regions where the pixels are located respectively, on the basis of gray-scales of the R, G, B colors to be displayed by the pixels within corresponding emission durations, so as to change respective transmittances of the regions where the pixels are located to accommodate respective gray-scales and to display respective one of the R,
- an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color resist layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- a 2D/3D switchable display panel comprising an OLED display panel 1 which is self-luminescent, and a LCD panel 2 which is provided with no color filter layer and disposed on the display side of the OLED display panel 1; the OLED display panel is used for displaying images when the 2D/3D switchable display panel operates in a 3D display mode, and functions as a backlight source module when the 2D/3D switchable display panel operates in a 2D display mode; and wherein the LCD display panel functions as a grating when the 2D/3D switchable display panel operates in the 3D display mode, and displays images when the 2D/3D switchable display panel operates in the 2D display mode.
- the OLED display panel 1 displays images in the 3D display mode
- the LCD panel 2 functions as a functional panel which forms both left-eye and right-eye images respectively
- the LCD panel 2 displays images in the 2D display mode while the OLED display panel 1 functions as a backlight source module for providing backlight therefrom. Therefore, the LCD display panel 2 is still used to display images with higher PPI in the 2D display mode while the 2D/3D switchable display panel is ensured to have smaller thickness, such that better display effect may in turn be obtained in the 2D display mode.
- the 2D/3D switchable display panel is not provided with a backlight source module, the light emitted from the OLED display panel 1 is provided at a relatively small distance (i.e., placement height H) from the LCD panel 2; thereby, the OLED display panel 1 displays images while the LCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of the OLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained.
- the LCD panel 2 may comprise an array substrate 21, a second substrate 22, and a liquid crystal layer 23.
- the array substrate 21 and the second substrate 22 are bonded together at their respective edges by a first frame sealant 26, and the liquid crystal layer 23 is interposed between the array substrate 21 and the second substrate 22, wherein the second substrate 22 is not provided with a color filter layer.
- the LCD panel 2 may not be restricted by any color filter layer, such that an effect of grating display may be implemented; besides, it is also possible that, on the basis of the R, G, B color lights emitted from the OLED display panel 1, display of colors may be implemented by the adjustment of deflection angles of the liquid crystal.
- a lower polarizer sheet 24 is arranged at a side, facing away from the liquid crystal layer 23, of the array substrate 21 of the LCD panel 2; and an upper polarizer sheet 25 is arranged at a side, facing away from the liquid crystal layer 23, of the second substrate 22 of the LCD panel 2.
- the LCD panel 2 functions not only as a grating, but also as a display main body for 2D display, for facilitating not only the 3D display mode with optical barrier type 3D technology, and the 2D display mode, respectively, but also switchover of display modes therebetween as desired.
- the 2D/3D switchable display panel as illustrated in Fig. 1 may also be modified and/or varied, so as to apply for both 3D display mode with micro lenticular lens type 3D display technology and normal 2D display mode.
- the 2D/3D switchable display panel as illustrated in Fig. 1 may also be modified and/or varied, so as to apply for both 3D display mode with micro lenticular lens type 3D display technology and normal 2D display mode.
- a lenticular lens layer 27 is arranged at a side, facing away from the liquid crystal layer 23, of the second substrate 22, such that the LCD panel 2 is essentially a transparent display screen in the 3D display mode, and alternatively, the images displayed by the OLED display panel 1 are to be transformed to both left-eye and right-eye images for the corresponding viewer, by the lenticular lens layer 27.
- micro lenticular lens 3D display may be implemented by the lenticular lens layer 27, while the LCD panel 2 operates as a display main body for 2D display, for facilitating not only the 3D display mode with micro lenticular lens type 3D technology, and the normal 2D display mode, respectively, but also switchover of display modes therebetween as desired.
- the LCD panel 2 also has display function. Therefore, a pixel unit array (not illustrated here) is provided on the array substrate 21, which pixel unit array may be used for displaying images thereon, and each pixel unit may comprise components such as thin film transistor(s), pixel electrode(s), common electrode(s), and so on. Certainly, on the array substrate 21 there should also be data line(s), gate line(s) and common electrode line(s), etc, which need not be repeatedly described in details one by one here.
- the OLED display panel 1 comprises a display substrate 11 and a packaging cover plate 12; and an adhesive portion 3 is interposed between the LCD panel and the OLED display panel, and the array substrate 21 of the LCD panel 2 is adhered to the packaging cover plate 12 by the adhesive portion 3.
- the OLED display panel 1 may also comprises any other necessary layer structures, elements or components, for example, a display component 13 formed on the display substrate 11; and in another example, a second frame sealant 14 adhered between the display substrate 11 and the packaging cover plate 12; and any other corresponding layer structure, elements and components of the OLED display panel 1 which may also be provided as required on the basis of the exemplary embodiments of the invention, which need not be repeatedly described in details one by one here.
- the placement height H is reduced, such that the 2D/3D switchable display panel as illustrated in Fig. 1 is optimized, e.g., by optimizing the OLED display panel 1.
- the OLED display panel 1 itself only comprises a display substrate 11 and a display component arranged thereon for defining a display zone around which an adhesive portion 3 is provided on the display substrate 11 of the OLED display panel 1; and the array substrate 21 of the LCD panel 2 is adhered onto the display substrate 11 of the OLED display panel 1 by means of the adhesive portion.
- the OLED display panel 1 only comprises a display substrate 11, resulting in smaller distance between the light-emitting display component 13 on the display substrate 11 and the LCD panel 2 (i.e., placement height H), which contributes to implementing 3D image display with high quality while decreasing the thickness of the 2D/3D switchable display panel.
- the LCD panel 2 may implement display of colors on the basis of the R, G, B color lights emitted from the OLED display panel 1, by adjusting the deflection angles of liquid crystal.
- an area of a corresponding region of each pixel on the OLED display panel is not only larger than but also an integral multiple of an area of a corresponding region of each pixel on the LCD panel 2.
- a highest refresh rate of the OLED display panel is at least three times of the lowest refresh rate of the LCD panel 2.
- OLED display panel 1 is self-luminescent, and an area of a corresponding region of each pixel on the OLED display panel is 4 times of an area of a corresponding region of each pixel on the LCD panel, wherein the specific value of "4 times" only intends for facilitating more convenient depiction, the embodiments of the invention being not limited or confined thereto, i.e., the specific multiple value may also be chosen as any integer larger than one, e.g., two, three, or five, or any other bigger integer. It is also conceivable that the PPI of the LCD panel 2 is an integral multiple, larger than one, of that of the OLED display panel 1.
- the refresh rate of the OLED display panel 1 is chosen as 180Hz while the refresh rate of the LCD panel 2 is chosen as 60Hz. Then, within a display duration of a frame of 2D image by the LCD panel 2, the OLED display panel 1 may display in three individual fields sequentially, i.e., R field, G filed and B field, at different time period.
- each pixel on the LCD panel 2 displays respective R color with desired gray scale value, by regulating the deflection angles of liquid crystal 23 to obtain desired transmittances of R color, as a function of the gray scale of the R color to be displayed within the pixel by the frame of 2D image.
- the respective G field and B field of the OLED display panel 1 display on the basis of above principle respectively.
- the frame of 2D image is displayed completely. It should also be noticed that, according to the design requirements for both the OLED display panel 1 and the LCD panel 2, it is possible that the display sequences of R field, G field and B field of the OLED display panel 1 are adjusted, not being limited or confined thereto.
- the OLED display panel 1 functions as the display main body while the LCD panel 2 operates as a grating, such that a 3D image with certain parallax is passed through the grating formed by the LCD panel 2 and thus processed by the operational principle of light-splitting of the grating, and projected onto both left and right eyes of the viewer, so as to form naked-eye 3D display effect.
- the distance between the light emitted from the OLED display panel 1 and the LCD panel 2, i.e., the placement height H, is relatively small, thus facilitating the display of 3D image with high quality.
- such a grating may be flexibly formed as prescribed, so as to meet the display requirement of the OLED display panel 1.
- a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent OLED display panel 1 and the LCD panel 2 which is provided with no color filter layer, the OLED display panel 1 displays images in the 3D display mode while the LCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and the LCD panel 2 displays images in the 2D display mode while the OLED display panel 1 functions as a backlight source module for providing backlight therefrom.
- the LCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode.
- the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from the OLED display panel 1 is provided at a relatively small distance from the LCD panel 2; thereby, the OLED display panel 1 displays images while the LCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of the OLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained.
- a 2D/3D switchable display device comprising the aforementioned 2D/3D switchable display panel.
- a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent OLED display panel 1 and the LCD panel 2 which is provided with no color filter layer, the OLED display panel 1 displays images in the 3D display mode while the LCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and the LCD panel 2 displays images in the 2D display mode while the OLED display panel 1 functions as a backlight source module for providing backlight therefrom.
- the LCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode.
- the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from the OLED display panel 1 is provided at a relatively small distance from the LCD panel 2; thereby, the OLED display panel 1 displays images while the LCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of the OLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained.
- a display method for aforementioned 2D/3D switchable display panel comprising: In Step 601, OLED display panel displays images while the LCD panel functions as a grating, such that the 2D/3D switchable display panel is operated in the 3D display mode.
- LCD panels operates as a grating and the OLED display panel displays images, such that the 2D/3D switchable display panel operates in the 3D display mode, particularly comprising:
- the LCD panel comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate, and the OLED display panel displays images while the LCD panel operates as a grating, such that the 2D/3D switchable display panel is operated in the 3D display mode, the display method specifically comprising:
- Step 602 the OLED display panel operates as a backlight source module and the LCD panel displays images, such that the 2D/3D switchable display panel is operated in the 2D display mode.
- the OLED display panel is used as a backlight source module and the LCD panel displays images, such that the 2D/3D switchable display panel operates in the 2D display mode.
- the display method specifically comprising:
- the display method is performed, for example, in view of the schematic view of the 2D display mode as illustrated in Fig. 4 and the schematic view of the 3D display mode as illustrated in Fig. 5 , as well as related depictions, and will not be set forth in details repeatedly here.
- a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent OLED display panel 1 and the LCD panel 2 which is provided with no color filter layer, the OLED display panel 1 displays images in the 3D display mode while the LCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and the LCD panel 2 displays images in the 2D display mode while the OLED display panel 1 functions as a backlight source module for providing backlight therefrom.
- the LCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode.
- the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from the OLED display panel 1 is provided at a relatively small distance from the LCD panel 2; thereby, the OLED display panel 1 displays images while the LCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of the OLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained.
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Description
- Embodiments of the present application relate to the technical field of display technology, and in particular, to a two dimensional (2D) /three dimensional (3D) switchable display panel, and a display method and a display device thereof
- There are a variety of ways for implementing naked-
eye 3D display, comprisingoptical barrier type 3D technology, which is also known as parallax barrier technology. Anoptical barrier type 3D product is compatible with processes of existing LCD (Liquid Crystal Display) panel, i.e., which is achieved by further modifying an existing LCD panel as a liquid crystal grating, to be specific, by forming stripe-shaped electrode strips on both upper and lower substrates of the LCD panel, with a working principle being in that, upon implementing 3D display, the liquid crystal grating is electrified; and since liquid crystal molecules between the stripe-shaped electrode strips on the upper and lower substrates are twisted, then light is inhibited from passing therethrough completely, such that light and shade staggered strips which are arranged alternately are formed by the liquid crystal grating. Then, when left-eye images and right-eye images displayed are observed by respective left and right eyes of the viewer, respectively, stereoscopic 3D images are formed by the brain of the viewer. - In existing
optical barrier type 3D products, a backlight source module should be provided to the LCD panel therein, resulting in larger thickness thereof. In the prior art, some previous LCD panels are replaced by alternative novel OLED (Organic Light Emitting Diode) display panels in each of which the OLED display panel is combined and cooperating with a grating so as to implement anoptical barrier type 3D product with smaller thickness. However, in the combination therebetween, even if it is possible that the entire thickness of theoptical barrier type 3D product is reduced, 2D display effect thus created is still not good enough due to the fact that the image sampling rate by PPI (Pixels Per Inch) of the OLED display panel is lower than that of the LCD panel when theoptical barrier type 3D product is operated in a 2D/3D display mode. -
US 2010/079584 discloses a 2D/3D switchable autostereoscopic display apparatus and method to selectively display a 2D image and a 3D image using two displays and a convertible lens. - The present application has been made to provide a two dimensional (2D) /three dimensional (3D) switchable display panel, and a display method and a display device thereof, so as to solve the problem that a poor display effect is caused when the 2D/3D switchable display panel is operated in a 2D display mode.
- The exemplary embodiment of the present application is accomplished through the following technical solution:
According to an aspect of the exemplary embodiment of the present application, there is provided a 2D/3D switchable display panel, comprising an OLED display panel which is self-luminescent, and a LCD panel which is provided with no color resist layer and disposed on a display side of the OLED display panel, wherein the OLED display panel is configured to display an image when the 2D/3D switchable display panel operates in a 3D display mode, and to act as a backlight source module when the 2D/3D switchable display panel operates in a 2D display mode; and the LCD display panel is configured to act as a grating when the 2D/3D switchable display panel operates in the 3D display mode, and to display an image when the 2D/3D switchable display panel operates in the 2D display mode. - In this exemplary embodiment, an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color resist layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- According to an exemplary embodiment of the present application, the LCD panel comprises an array substrate, a second substrate, and a liquid crystal layer provided between the second substrate and the array substrate, the second substrate and the array substrate and the liquid crystal layer being disposed to be cell aligned; and the array substrate is provided with a pixel unit array for displaying images.
- According to another exemplary embodiment of the present application, the array substrate of the LCD panel is provided with a lower polarizer sheet at a side thereof facing away from the liquid crystal layer; and the second substrate of the LCD panel is provided with an upper polarizer sheet at a side thereof facing away from the liquid crystal layer. In this exemplary embodiment, the LCD panel functions not only as a grating but also as a display main body for 2D display.
- According to another exemplary embodiment of the present application, the LCD panel further comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate. In this exemplary embodiment, micro
lenticular lens 3D display may be implemented by the lenticular lens layer, while the LCD panel operates as a display main body for 2D display. - According to another exemplary embodiment of the present application, an area of a region corresponding to each pixel on the OLED display panel is not only larger than but also an integral multiple of an area of a region corresponding to each pixel on the LCD panel.
- According to another exemplary embodiment of the present application, a highest refresh rate of the OLED display panel is at least three times of a lowest refresh rate of the LCD panel.
- According to another exemplary embodiment of the present application, the OLED display panel comprises a display substrate and a packaging cover plate; and an adhesive portion is interposed between the LCD panel and the OLED display panel, and the array substrate of the LCD panel is adhered to the cover plate by the adhesive portion.
- According to another exemplary embodiment of the present application, the OLED display panel only comprises a display substrate and a display component arranged on the display substrate, the display substrate defining a display zone around which an adhesive portion is provided at a periphery of the display substrate of the OLED display panel; and the array substrate of the LCD panel is adhered to the display substrate of the OLED display panel by means of the adhesive portion. In this exemplary embodiment, the OLED display panel only comprises a display substrate such that the light emission of the OLED component on the display substrate is closer to the LCD panel, i.e., with a smaller distance therebetween, in other words, smaller placement height, which contributes to implementing 3D image display with higher PPI and decreasing the thickness of the 2D/3D switchable display panel.
- According to another aspect of the exemplary embodiment of the present application, there is provided a 2D/3D switchable display device, comprising the aforementioned 2D/3D switchable display panel. In this exemplary embodiment, a superior beneficial technical effect is provided in that an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color filter layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- According to still another aspect of the exemplary embodiment of the present application, there is provided a display method for the aforementioned 2D/3D switchable display panel, comprising steps of: operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating; and the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel to display an image thereon and configuring the OLED display panel to act as a backlight source module.
- According to another exemplary embodiment of the present application, the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating comprises steps of: configuring the OLED display panel to display an image thereon; and configuring the LCD panel to display in a grating displaying mode and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel through the LCD panel such that the 2D/3D switchable display panel is operated in the 3D display mode.
- According to another exemplary embodiment of the present application, the LCD panel comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate, and the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel to display an image thereon and configuring the LCD panel to act as a grating comprises steps of: configuring the OLED display panel to display an image thereon; and configuring the LCD panel to cooperate with the lenticular lens layer to display and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel through both of the LCD panel and the lenticular lens layer such that the 2D/3D switchable display panel is operated in the 3D display mode.
- According to another exemplary embodiment of the present application, the step of operating the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel to display an image thereon and configuring the OLED display panel to act as a backlight source module comprises steps of: setting a refresh rate of the OLED display panel to be at least three times of a refresh rate of the LCD panel, and emitting, by the OLED display panel, R, G, B color lights that are used as backlight for the LCD panel in different time periods respectively within a display duration of a frame of image, an emission duration for each of the R, G, B color lights corresponding to a refreshment duration of the LCD panel; and adjusting deflection angles of all portions of the liquid crystal layer of the LCD display panel corresponding to regions where the pixels are located respectively, on the basis of gray-scales of the R, G, B colors to be displayed by the pixels within corresponding emission durations, so as to change respective transmittances of the regions where the pixels are located to accommodate respective gray-scales and to display respective one of the R, G, B colors.
- In this exemplary embodiment, a superior beneficial technical effect is provided in that an OLED display panel which is self-luminescent is combined with a LCD panel which is provided with no color resist layer, such that the OLED display panel displays images in the 3D display mode while the LCD panel displays images in the 2D display mode to ensure not only smaller thickness but also better display effect in the 2D display mode, of the 2D/3D switchable display panel.
- The above and other features and advantages of the present application will become more apparent and a more comprehensive understanding of the present application can be obtained, by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which:
-
Fig.1 illustrates a schematic cross sectional view of a first 2D/3D switchable display panel provided by an exemplary embodiment of the invention; -
Fig.2 illustrates a schematic cross sectional view of a second 2D/3D switchable display panel provided by another exemplary embodiment of the invention; -
Fig.3 illustrates a schematic cross sectional view of a third 2D/3D switchable display panel provided by yet another exemplary embodiment of the invention; -
Fig.4 is a schematic view of a 2D display mode provided by an exemplary embodiment of the invention; -
Fig.5 is a schematic view of a 3D display mode provided by another exemplary embodiment of the invention; and -
Fig. 6 illustrates a flow chart of a display method of the 2D/3D switchable display panel provided by an exemplary embodiment of the invention. - Exemplary embodiments of the present disclosure will be described hereinafter in detail with reference to the attached drawings, wherein the like reference numerals refer to the like elements. The present disclosure may, however, be embodied in many different forms, and thus the detailed description of the embodiment of the application in view of attached drawings should not be construed as being limited to the embodiment set forth herein; rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the general concept of the disclosure to those skilled in the art.
- In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawing.
- Respective thickness and shape of each optical element in the drawings are only intended to exemplarily illustrate the contents of the disclosure, rather than to demonstrate the practical dimension or proportion of components of the 2D/3D switchable display panel.
- As illustrated in
Fig. 1 , there is provided a 2D/3D switchable display panel, comprising anOLED display panel 1 which is self-luminescent, and aLCD panel 2 which is provided with no color filter layer and disposed on the display side of theOLED display panel 1; the OLED display panel is used for displaying images when the 2D/3D switchable display panel operates in a 3D display mode, and functions as a backlight source module when the 2D/3D switchable display panel operates in a 2D display mode; and wherein the LCD display panel functions as a grating when the 2D/3D switchable display panel operates in the 3D display mode, and displays images when the 2D/3D switchable display panel operates in the 2D display mode. - In this exemplary embodiment of the invention, By means of the combination between the self-luminescent
OLED display panel 1 and theLCD panel 2 which is provided with no color filter layer, theOLED display panel 1 displays images in the 3D display mode, and theLCD panel 2 functions as a functional panel which forms both left-eye and right-eye images respectively, and theLCD panel 2 displays images in the 2D display mode while theOLED display panel 1 functions as a backlight source module for providing backlight therefrom. Therefore, theLCD display panel 2 is still used to display images with higher PPI in the 2D display mode while the 2D/3D switchable display panel is ensured to have smaller thickness, such that better display effect may in turn be obtained in the 2D display mode. - Meanwhile, since the 2D/3D switchable display panel is not provided with a backlight source module, the light emitted from the
OLED display panel 1 is provided at a relatively small distance (i.e., placement height H) from theLCD panel 2; thereby, theOLED display panel 1 displays images while theLCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of theOLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained. - The
LCD panel 2 may comprise anarray substrate 21, asecond substrate 22, and aliquid crystal layer 23. Thearray substrate 21 and thesecond substrate 22 are bonded together at their respective edges by afirst frame sealant 26, and theliquid crystal layer 23 is interposed between thearray substrate 21 and thesecond substrate 22, wherein thesecond substrate 22 is not provided with a color filter layer. In other words, theLCD panel 2 may not be restricted by any color filter layer, such that an effect of grating display may be implemented; besides, it is also possible that, on the basis of the R, G, B color lights emitted from theOLED display panel 1, display of colors may be implemented by the adjustment of deflection angles of the liquid crystal. - In an exemplary embodiment of the invention, a
lower polarizer sheet 24 is arranged at a side, facing away from theliquid crystal layer 23, of thearray substrate 21 of theLCD panel 2; and anupper polarizer sheet 25 is arranged at a side, facing away from theliquid crystal layer 23, of thesecond substrate 22 of theLCD panel 2. In this embodiment, theLCD panel 2 functions not only as a grating, but also as a display main body for 2D display, for facilitating not only the 3D display mode withoptical barrier type 3D technology, and the 2D display mode, respectively, but also switchover of display modes therebetween as desired. - Certainly, with the concept of the invention as defined by the appended claims, the 2D/3D switchable display panel as illustrated in
Fig. 1 may also be modified and/or varied, so as to apply for both 3D display mode with microlenticular lens type 3D display technology and normal 2D display mode. By way of example, referring toFig. 2 (the reference numerals therein with identical meaning to those inFig .1 ), alenticular lens layer 27 is arranged at a side, facing away from theliquid crystal layer 23, of thesecond substrate 22, such that theLCD panel 2 is essentially a transparent display screen in the 3D display mode, and alternatively, the images displayed by theOLED display panel 1 are to be transformed to both left-eye and right-eye images for the corresponding viewer, by thelenticular lens layer 27. In this exemplary embodiment, microlenticular lens 3D display may be implemented by thelenticular lens layer 27, while theLCD panel 2 operates as a display main body for 2D display, for facilitating not only the 3D display mode with microlenticular lens type 3D technology, and the normal 2D display mode, respectively, but also switchover of display modes therebetween as desired. - It should be noticed that, the
LCD panel 2 also has display function. Therefore, a pixel unit array (not illustrated here) is provided on thearray substrate 21, which pixel unit array may be used for displaying images thereon, and each pixel unit may comprise components such as thin film transistor(s), pixel electrode(s), common electrode(s), and so on. Certainly, on thearray substrate 21 there should also be data line(s), gate line(s) and common electrode line(s), etc, which need not be repeatedly described in details one by one here. - By way of example, in the 2D/3D switchable display panel as illustrated in both
Figs. 1 and2 , theOLED display panel 1 comprises adisplay substrate 11 and apackaging cover plate 12; and anadhesive portion 3 is interposed between the LCD panel and the OLED display panel, and thearray substrate 21 of theLCD panel 2 is adhered to thepackaging cover plate 12 by theadhesive portion 3. Certainly, theOLED display panel 1 may also comprises any other necessary layer structures, elements or components, for example, adisplay component 13 formed on thedisplay substrate 11; and in another example, asecond frame sealant 14 adhered between thedisplay substrate 11 and thepackaging cover plate 12; and any other corresponding layer structure, elements and components of theOLED display panel 1 which may also be provided as required on the basis of the exemplary embodiments of the invention, which need not be repeatedly described in details one by one here. - In order to make the thickness of the 2D/3D switchable display panel even smaller, it is possible that the placement height H is reduced, such that the 2D/3D switchable display panel as illustrated in
Fig. 1 is optimized, e.g., by optimizing theOLED display panel 1. As further illustrated inFig. 3 , theOLED display panel 1 itself only comprises adisplay substrate 11 and a display component arranged thereon for defining a display zone around which anadhesive portion 3 is provided on thedisplay substrate 11 of theOLED display panel 1; and thearray substrate 21 of theLCD panel 2 is adhered onto thedisplay substrate 11 of theOLED display panel 1 by means of the adhesive portion. In this exemplary embodiment, theOLED display panel 1 only comprises adisplay substrate 11, resulting in smaller distance between the light-emittingdisplay component 13 on thedisplay substrate 11 and the LCD panel 2 (i.e., placement height H), which contributes to implementing 3D image display with high quality while decreasing the thickness of the 2D/3D switchable display panel. - In an exemplary embodiment of the invention, the
LCD panel 2 may implement display of colors on the basis of the R, G, B color lights emitted from theOLED display panel 1, by adjusting the deflection angles of liquid crystal. In order to obtain better display effect, in an exemplary embodiment of the invention, an area of a corresponding region of each pixel on the OLED display panel is not only larger than but also an integral multiple of an area of a corresponding region of each pixel on theLCD panel 2. Moreover, a highest refresh rate of the OLED display panel is at least three times of the lowest refresh rate of theLCD panel 2. For facilitating easy understanding thereof, specific depictions are set forth as below, in view ofFigs. 4 and5 . - Referring to
Fig.4 ,OLED display panel 1 is self-luminescent, and an area of a corresponding region of each pixel on the OLED display panel is 4 times of an area of a corresponding region of each pixel on the LCD panel, wherein the specific value of "4 times" only intends for facilitating more convenient depiction, the embodiments of the invention being not limited or confined thereto, i.e., the specific multiple value may also be chosen as any integer larger than one, e.g., two, three, or five, or any other bigger integer. It is also conceivable that the PPI of theLCD panel 2 is an integral multiple, larger than one, of that of theOLED display panel 1. - By way of example, the refresh rate of the
OLED display panel 1 is chosen as 180Hz while the refresh rate of theLCD panel 2 is chosen as 60Hz. Then, within a display duration of a frame of 2D image by theLCD panel 2, theOLED display panel 1 may display in three individual fields sequentially, i.e., R field, G filed and B field, at different time period. As illustrated, within a R-field display time of theOLED display panel 1 corresponding to a frame of 2D image, all the R pixels are displayed on the OLED, and the emitted R color lights are uniformly passed to theLCD panel 2 after light mixing, then each pixel on theLCD panel 2 displays respective R color with desired gray scale value, by regulating the deflection angles ofliquid crystal 23 to obtain desired transmittances of R color, as a function of the gray scale of the R color to be displayed within the pixel by the frame of 2D image. Similarly, within a G field and a B field display times of theOLED display panel 1 corresponding to a frame of 2D image, the respective G field and B field of theOLED display panel 1 display on the basis of above principle respectively. Hereby, the frame of 2D image is displayed completely. It should also be noticed that, according to the design requirements for both theOLED display panel 1 and theLCD panel 2, it is possible that the display sequences of R field, G field and B field of theOLED display panel 1 are adjusted, not being limited or confined thereto. - Further referring to
Fig. 5 , theOLED display panel 1 functions as the display main body while theLCD panel 2 operates as a grating, such that a 3D image with certain parallax is passed through the grating formed by theLCD panel 2 and thus processed by the operational principle of light-splitting of the grating, and projected onto both left and right eyes of the viewer, so as to form naked-eye 3D display effect. The distance between the light emitted from theOLED display panel 1 and theLCD panel 2, i.e., the placement height H, is relatively small, thus facilitating the display of 3D image with high quality. - It should also be noticed that, when the
LCD panel 2 functions as a grating, such a grating may be flexibly formed as prescribed, so as to meet the display requirement of theOLED display panel 1. - In this exemplary embodiment, a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent
OLED display panel 1 and theLCD panel 2 which is provided with no color filter layer, theOLED display panel 1 displays images in the 3D display mode while theLCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and theLCD panel 2 displays images in the 2D display mode while theOLED display panel 1 functions as a backlight source module for providing backlight therefrom. In other words, in the 2D display mode, theLCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode. Meanwhile, since the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from theOLED display panel 1 is provided at a relatively small distance from theLCD panel 2; thereby, theOLED display panel 1 displays images while theLCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of theOLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained. - In another aspect of the embodiments of the invention, there is also provided a 2D/3D switchable display device, comprising the aforementioned 2D/3D switchable display panel.
- In this exemplary embodiment, a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent
OLED display panel 1 and theLCD panel 2 which is provided with no color filter layer, theOLED display panel 1 displays images in the 3D display mode while theLCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and theLCD panel 2 displays images in the 2D display mode while theOLED display panel 1 functions as a backlight source module for providing backlight therefrom. In other words, in the 2D display mode, theLCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode. Meanwhile, since the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from theOLED display panel 1 is provided at a relatively small distance from theLCD panel 2; thereby, theOLED display panel 1 displays images while theLCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of theOLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained. - Referring to
Fig.6 , In yet another aspect of the embodiments of the invention, there is further provided a display method for aforementioned 2D/3D switchable display panel, comprising:
InStep 601, OLED display panel displays images while the LCD panel functions as a grating, such that the 2D/3D switchable display panel is operated in the 3D display mode. - On the basis of different structures of the LCD panels as above, specific display ways are listed as below:
By way of example, LCD panels operates as a grating and the OLED display panel displays images, such that the 2D/3D switchable display panel operates in the 3D display mode, particularly comprising: - displaying images on the OLED display panel; and
- operating the LCD panel in a grating displaying mode and passing the images displayed by the OLED display panel through the LCD panel to form both left-eye images and right-eye images simultaneously such that the 2D/3D switchable display panel operates in the 3D display mode.
- Furthermore, in another exemplary embodiment, the LCD panel comprises a lenticular lens layer arranged at a side, facing away from the liquid crystal layer, of the second substrate, and the OLED display panel displays images while the LCD panel operates as a grating, such that the 2D/3D switchable display panel is operated in the 3D display mode, the display method specifically comprising:
- displaying images on the OLED display panel;
- operating the LCD panel in cooperation with the lenticular lens layer so as to further implement displaying on the LCD panel, and
- passing the images displayed by the OLED display panel through both of the LCD panel and the lenticular lens layer to form both left-eye images and right-eye images simultaneously such that the 2D/3D switchable display panel operates in the 3D display mode.
- In
Step 602, the OLED display panel operates as a backlight source module and the LCD panel displays images, such that the 2D/3D switchable display panel is operated in the 2D display mode. - In another exemplary embodiment of the invention, the OLED display panel is used as a backlight source module and the LCD panel displays images, such that the 2D/3D switchable display panel operates in the 2D display mode. The display method specifically comprising:
- setting a refresh rate of the OLED display panel as at least three times of the refresh rate of the LCD panel, and within a display duration of a frame of image, emitting R, G, B color lights as the backlight of the LCD panel by the OLED display panel during different time periods respectively, each of which color lights has a emission duration as a function of the refreshment duration of the LCD panel; and
- adjusting deflection angles of the liquid crystal layer corresponding to each region where each pixel is located, as a function of the gray scales of R, G, B colors to be displayed by each pixel within these emission durations, to change respective transmittances of the regions where the pixels are located to accommodate respective gray scales of each region, and to display respective one of the R, G, B colors on the LCD display panel.
- The display method is performed, for example, in view of the schematic view of the 2D display mode as illustrated in
Fig. 4 and the schematic view of the 3D display mode as illustrated inFig. 5 , as well as related depictions, and will not be set forth in details repeatedly here. - In this exemplary embodiment, a superior beneficial technical effect is provided in that, by means of the combination between the self-luminescent
OLED display panel 1 and theLCD panel 2 which is provided with no color filter layer, theOLED display panel 1 displays images in the 3D display mode while theLCD panel 2 functions as a functional panel for forming both left-eye and right-eye images respectively, and theLCD panel 2 displays images in the 2D display mode while theOLED display panel 1 functions as a backlight source module for providing backlight therefrom. In other words, in the 2D display mode, theLCD panel 2 is still used for displaying images with high PPI, thereby better display effect may still be obtained in the 2D display mode. Meanwhile, since the 2D/3D switchable display panel is not provided with specific purpose backlight source module, the light emitted from theOLED display panel 1 is provided at a relatively small distance from theLCD panel 2; thereby, theOLED display panel 1 displays images while theLCD panel 2 functions as a grating such that 3D image display with high quality may be realized. Furthermore, on the basis of the characteristics of the self-luminescent structure and low power consumption of theOLED display panel 1, it is thus not necessary to provide individually a backlight source module, such that a decreased thickness and a reduced power consumption of the 2D/3D switchable display panel may be obtained. - Although the disclosure is described in view of the attached drawings, the embodiments disclosed in the drawings are only intended to illustrate the preferable embodiment of the present application exemplarily, and should not be deemed as a restriction thereof.
- Various embodiments of the present application have been illustrated progressively, the same or similar parts of which can be referred to each other. The differences between each embodiment and the others are described in emphasis.
- It should be noted that the terms, such as "comprising", "including" or "having", should be understood as not excluding other elements or steps and the word "a" or "an" should be understood as not excluding plural of said elements or steps. Further, any reference number in claims should be understood as not limiting the scope of the present application.
- It should be appreciated for those skilled in this art that the above embodiments are intended to be illustrated, and not restrictive. For example, many modifications may be made to the above embodiments by those skilled in this art, and various features described in different embodiments may be freely combined with each other without conflicting in configuration or principle.
- Although several exemplary embodiments of the general concept of the present application have been shown and described, it would be appreciated by those skilled in the art that various changes or modifications may be made in these embodiments without departing from the scope of the invention as defined by the appended claims.
Claims (13)
- A 2D/3D switchable display panel, comprising:an OLED display panel (1) which is self-luminescent, anda LCD panel (2) which is provided with no color filter layer and disposed on a display side of the OLED display panel (1),wherein the OLED display panel (1) is configured to display an image when the 2D/3D switchable display panel operates in a 3D display mode, and to act as a backlight source module when the 2D/3D switchable display panel operates in a 2D display mode; andwherein the LCD panel (2) is configured to display an image when the 2D/3D switchable display panel operates in the 2D display mode,characterized in that the LCD panel (2) is configured to act as a grating when the 2D/3D switchable display panel operates in the 3D mode.
- The 2D/3D switchable display panel according to claim 1,
wherein the LCD panel (2) comprises an array substrate (21), a second substrate (22), and a liquid crystal layer (23) provided between the second substrate and the array substrate (21), the second substrate and the array substrate (21) and the liquid crystal layer (23) being disposed to be cell aligned; and
wherein the array substrate (21) is provided with a pixel unit array for displaying images. - The 2D/3D switchable display panel according to claim 2,
wherein the array substrate (21) of the LCD panel (2) is provided with a lower polarizer sheet (24) at a side thereof facing away from the liquid crystal layer (23); and
wherein the second substrate (22) of the LCD panel (2) is provided with an upper polarizer sheet (25) at a side thereof facing away from the liquid crystal layer (23). - The 2D/3D switchable display panel according to claim 3,
wherein the LCD panel (2) further comprises a lenticular lens layer (27) arranged at a side, facing away from the liquid crystal layer (23), of the second substrate (22). - The 2D/3D switchable display panel according to claim 1,
wherein an area of a region corresponding to each pixel on the OLED display panel (1) is not only larger than but also an integral multiple of an area of a region corresponding to each pixel on the LCD panel (2). - The 2D/3D switchable display panel according to claim 1,
wherein a highest refresh rate of the OLED display panel (1) is at least three times of a lowest refresh rate of the LCD panel (2). - The 2D/3D switchable display panel according to any one of claims 2-4,
wherein the OLED display panel (1) comprises a display substrate (11) and a packaging cover plate (12); and
wherein an adhesive portion (3) is interposed between the LCD panel (2) and the OLED display panel (1), and the array substrate (21) of the LCD panel (2) is adhered to the cover plate by the adhesive portion (3). - The 2D/3D switchable display panel according to any one of claims 2-4,
wherein the OLED display panel (1) only comprises a display substrate (11) and a display component (13) arranged on the display substrate (11), the display substrate defining a display zone around which an adhesive portion (3) is provided at a periphery of the display substrate (11) of the OLED display panel (1); and
wherein the array substrate (21) of the LCD panel (2) is adhered to the display substrate (11) of the OLED display panel (1) by means of the adhesive portion (3). - A 2D/3D switchable display device, comprising the 2D/3D switchable display panel according to claim 1.
- A display method for the 2D/3D switchable display panel according to any one of claims 1-8, comprising steps of:operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel (1) to display an image thereon and configuring the LCD panel (2) to act as a grating; andoperating the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel (2) to display an image thereon and configuring the OLED display panel (1) to act as a backlight source module.
- The display method according to claim 10, wherein the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel (1) to display an image thereon and configuring the LCD panel (2) to act as a grating comprises steps of:configuring the OLED display panel (1) to display an image thereon; andconfiguring the LCD panel (2) to display in a grating displaying mode and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel (1) through the LCD panel (2) such that the 2D/3D switchable display panel is operated in the 3D display mode.
- The display method according to claim 10, wherein the LCD panel (2) comprises a lenticular lens layer (27) arranged at a side of the LCD panel (2) facing away from the OLED display panel (1) and the step of operating the 2D/3D switchable display panel in the 3D display mode by configuring the OLED display panel (1) to display an image thereon and configuring the LCD panel (2) to act as a grating comprises steps of:configuring the OLED display panel (1) to display an image thereon; andconfiguring the LCD panel (2) to cooperate with the lenticular lens layer (27) to display and forming both a left-eye image and a right-eye image by passing the image displayed by the OLED display panel (1) through both of the LCD panel (2) and the lenticular lens layer (27) such that the 2D/3D switchable display panel is operated in the 3D display mode.
- The display method according to claim 10, wherein the step of operating the 2D/3D switchable display panel in the 2D display mode by configuring the LCD panel (2) to display an image thereon and configuring the OLED display panel (1) to act as a backlight source module comprises steps of:setting a refresh rate of the OLED display panel (1) to be at least three times of a refresh rate of the LCD panel (2), and emitting, by the OLED display panel (1), R, G, B color lights that are used as backlight for the LCD panel (2) in different time periods respectively within a display duration of a frame of image, an emission duration for each of the R, G, B color lights corresponding to a refreshment duration of the LCD panel (2); andadjusting deflection angles of all portions of the liquid crystal layer (23) of the LCD display panel corresponding to regions where the pixels are located respectively, on the basis of grayscales of the R, G, B colors to be displayed by the pixels within corresponding emission durations, so as to change respective transmittances of the regions where the pixels are located to accommodate respective grayscales and to display respective one of the R, G, B colors.
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US20170139218A1 (en) | 2017-05-18 |
US9874763B2 (en) | 2018-01-23 |
WO2016187984A1 (en) | 2016-12-01 |
CN104834104B (en) | 2017-05-24 |
CN104834104A (en) | 2015-08-12 |
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EP3306376A1 (en) | 2018-04-11 |
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